Marking the cervix in arteriographic placentography.
D000792:Angiography; D002584:Cervix Uteri / Q000000981:diagnostic imaging; D003273:Contraceptive Devices; D005260:Female; D006801:Humans; D008722:Methods; D010920:Placenta / Q000000981:diagnostic imaging*; D010923:Placenta Previa / Q000000981:diagnostic imaging; D011247:Pregnancy